adj. [L. occludare, to close]
An organ or muscle that closes an opening.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • occlusor — üsə(r) noun ( s) Etymology: New Latin, from Latin occlusus (past participle of occludere) + New Latin or : a body part that closes or blocks another occlusor muscles …   Useful english dictionary

  • occlusor — oc·clu·sor …   English syllables

  • apertural muscle — (BRYOZOA: Gymnolaemata) One of either two pairs of muscles of cheilostomate autozooids, the occlusor muscle of the operculum or the diaphragmatic dilator muscle …   Dictionary of invertebrate zoology

  • spiracular muscles — (ARTHROPODA: Insecta) The occlusor and dilator …   Dictionary of invertebrate zoology

  • occlude —   v.t. shut up, in or out; v.i. shut mouth so that teeth meet.    ♦ occludent, n. & a.    ♦ occlusal, a. pertaining to cutting edge of tooth.    ♦ occlusion,    ♦ occlusor, n.    ♦ occlusive, a.; n. sound (as t) made by stopping breath …   Dictionary of difficult words

  • -or — 1. suffix forming nouns denoting a person or thing performing the action of a verb, or an agent more generally (actor; escalator; tailor) (see also ATOR, ITOR). Etymology: L or, ator, etc., sometimes via AF eour, OF eumlor, eumlur 2. suffix… …   Useful english dictionary

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